Welding machine control equipment



July 21, 1964 w. A. cHlAssoN 3,141,950

WELDING MACHINE CONTROL EQUIPMENT Filed Jan. 28. 1958 23 Sheets-Sheet 1 July 21, 1964 w. A. cHlAssoN WELDING NAcmNE CONTROL EQUIPMENT 25 Sheets-Sheet 2 Filed Jan. 28. 1958 July 21, 1964 w. A. cHlAssoN WELDING MACHINE CONTROL EQUIPMENT 23 Sheets-Sheet 3 Filed Jan. 28. 1958 INVENTDR. {zzssah uxnmI H @SAN FWN NKMM i NMAMN wwww onN 23 Sheets-Sheet 4 W. A. CHIASSON WELDING MACHINE CONTROL EQUIPMENT July 21, 1964 Filed Jan. 28, 1958 July 21, 1964 w. A. cHlAssoN 3,141,950

WELDING MACHINE CONTROL EQUIPMENT Filed Jan. 28. 1958 23 Sheets-Sheet 5 n L m@ July 21, 1964 w. A. cl-uAssoN WELDING MACHINE CONTROL EQUIPMENT 25 Sheets-Sheet 6 Filed Jan. 28. 1958 I Q INVENTOR. u

July 21, 1964 w. A. cHlAssoN WELDING MACHINE CONTROL EQUIPMENT 23 Sheets-Sheet '7 Filed Jan. 28. 1958 Myjeff AC'Zz'dssovz INV ENTOR.

July 21, 1964 w. A. cHlAssoN 3,141,950

WELDING MACHINE CONTROL EQUIPMENT Filed Jan. 28. 1958 23 Sheets-Sheet 8 July 21, 1964 w. A. cHlAssoN WELDING MACHINE coNTRoE EQUIPMENT 23 Sheets-Sheet 9 Filed Jan. 28. 1958 uw MNM.

July 21, 1964 w. A. c:H|AssoN WELDING MACHINE CONTROL. EQUIPMENT 23 Sheets-Sheet 10 Filed Jan. 28, 195B E NG MES mi. ku\.\ 4 EVEN n Y 5 v @Rm A .NNN NN kbhws |||1 RN, N535 i F kh \I Av RSN .N glu! www NESS. mx ll.. WANN n ANN \\N\\.. n NVQ. v

INVENTOR.

July 21, 1954 w. A. cHl'AssoN 3,141,950

WELDING MACHINE CONTROL EQUIPMENT Filed Jan. 28. 1958 25 Sheets-Sheet 11 July 2l, 1964 w. A. cHlAssoN WELDING MACHINE CONTROL EQUIPMENT 25 Sheets-Sheet 12 Filed Jan. 28. 195s July 2l, 1964 w. A. cHlAssoN WELDING MACHINE CONTROL EQUIPMENT 23 Sheets-Sheet 13 Filed Jan. 28. 1958 z m .4 z a d. ,w 7 W July 21, 1964 w. A. cHlAssoN WELDING MACHINE coNIRoI. EQUIPMENT 23 Sheets-Sheet 14 Filed Jan. 28. 1958 nklil NMI NNN

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July 21, 1964 w. A. cHlAssoN WELDING MACHINE CONTROL EQUIPMENT 23 Sheets-Sheet 15 Filed Jan. 28, 1958 July 2l, 1964 w. A. cHlAssoN l 3,141,950

WELDING MACHINE CONTROL EQUIPMENT 23 Sheets-Sheet 16 Filed Jan. 28. 1958 w. A. cHlAssoN 3,141,950

WELDING MACHINE CONTROL EQUIPMENT 23 Sheets-Sheet 17 July 21, 1964 Filed Jan. 28. 1958 July 21, 1964 w. A. cHxAssoN WELDING MACHINE CONTROL EQUIPMENT 23 Sheets-Sheet 18 Filed Jan. 28. 1958 sw EN EN E IIE NN @EN JMW: WKN. Smm WSNQMI NWN NQN NEQN W. A. CHIASSON WELDING MACHINE CONTROL EQUIPMENT` July 21, 1964 23 Sheets-Sheet 19 Filed Jan. 28. 1958 .MMHM

INV ENT OR.

July 21, 1964 w. A. cHlAssoN WELDING MACHINE CONTROL EQUIPMENT 23 SheetS-Sheet 2O Filed Jan. 28, 1958 .m Xm

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1. IN A CONTROL EQUIPMENT OF A WELDER HAVING A WELDING TRANSFORMER CONTROLLABLY ENERGIZABLE FROM A SOURCE OF ALTERNATING VOLTAGE, THE COMBINATION OF A PLURALITY OF INDIVIDUALLY ADJUSTABLE AND SEQUENTIALLY EFFECTIVE MEANS FOR CONTROLLING THE MAGNITUDE OF THE CURRENT SUPPLIED TO THE WELDING TRANSFORMER DURING THEIR INDIVIDUALLY EFFECTIVE PERIODS, A SINGLE PULSE PRODUCING MEANS COMMON OF ELECTRICAL PULSES, AND CONTROL MEANS INDIVIDUAL TO EACH OF SAID SEQUENTIALLY EFFECTIVE MEANS FOR PRODUCING A SERIES OF ELECTRICAL PULSES, AND CONTROL MEANS INDIVIDUAL TO EACH OF SAID SEQUENTIALLY EFFECTIVE MEANS AND EACH INCLUDING AN INDIVIDUAL COUNTING MEANS CONNECTED TO SAID SINGLE PULSE PRODUCING MEANS FOR COUNTING SAID ELECTRICAL PULSES AND EACH RESPONSIVE TO THE RECEIPT OF INDIVIDUALLY SELECT- 